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/*
* Copyright (c) 1996-1998 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* Overrides things from base_console.c with ones that don't have
* serial console or GDB support.
* Saves 10k bytes off of the default version.
*/
#include <oskit/x86/pc/direct_cons.h>
#include <oskit/x86/pc/reset.h>
#include <oskit/c/stdio.h>
#include <oskit/c/unistd.h>
#include <oskit/c/stdlib.h>
static void our_exit(int rc);
/* A common symbol that is overridden */
void (*oskit_libc_exit)(int) = our_exit;
/*
* This function defines our kernel "console device";
* calls to printf() will eventually call putchar().
* This implementation simply writes characters to the local PC display.
*/
int
console_putchar(int c)
{
direct_cons_putchar(c);
return (c);
}
/*
* Here we provide the means to read a character.
*/
int
console_getchar(void)
{
return direct_cons_getchar();
}
int
console_putbytes(const char *s, int len)
{
while (len) {
direct_cons_putchar(*s++);
len--;
}
return 0;
}
int
trygetchar(void)
{
return direct_cons_trygetchar();
}
/*
* This overrides the _exit() function in libc.
* Waits for a keypress.
* When it is done, it calls pc_reset() to reboot the computer.
*/
static void our_exit(int rc)
{
printf(__FUNCTION__"(%d) called; rebooting...\n", rc);
/* This is so that the user has a chance to SEE the output */
printf("Press a key to reboot");
getchar();
pc_reset();
}
void
base_console_init(int argc, char **argv)
{
}
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